Tencent vector DB Index params.
See the following documentation for details: https://cloud.tencent.com/document/product/1709/95826
IndexParams(
self,
dimension: int,
shard: int = 1,
replicas: int = 2,
index_type: str = 'HNSW',
metric_type: str = 'L2',
params: Optional[Dict] = None
)